43137783023 has 2 divisors, whose sum is σ = 43137783024. Its totient is φ = 43137783022.

The previous prime is 43137783019. The next prime is 43137783043. The reversal of 43137783023 is 32038773134.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43137783023 - 2² = 43137783019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43137783043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21568891511 + 21568891512.

It is an arithmetic number, because the mean of its divisors is an integer number (21568891512).

Almost surely, 2^43137783023 is an apocalyptic number.

43137783023 is a deficient number, since it is larger than the sum of its proper divisors (1).

43137783023 is an equidigital number, since it uses as much as digits as its factorization.

43137783023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 43137783023 in words is "forty-three billion, one hundred thirty-seven million, seven hundred eighty-three thousand, twenty-three".